<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧小盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
    
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    // 为购物车设置数字徽标
    mixins: [badgeMix],
    data() {
      return {
        // 轮播图数据列表
        swiperList:[],
        // 分类导航的数据列表
        navList: [],
        //楼层的数据列表
        floorList: [],
      }
    },
    onLoad() {
      // 调用方法获取轮播图数据
      this.getSwiperList()
      // 调用方法获取分类导航数据
      this.getNavList()
      // 在onLoad中调用楼层数据
       this.getFloorList()
    },
    methods: {
      async getSwiperList(){
        await uni.$http.get('/api/public/v1/home/swiperdata')
        .then(res => {
          // console.log(res)
          this.swiperList = res.data.message
          uni.$showMsg('数据请求成功！')
        }).catch(err => {
            // 请求失败
            uni.$showMsg()
        })   
      },
      async getNavList(){
        await uni.$http.get('/api/public/v1/home/catitems')
        .then( res => {
          this.navList = res.data.message
        }).catch(err => {
          uni.$showMsg()
        })
      },
      // 获取楼层列表数据
      async getFloorList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()
      
        // 通过双层 forEach 循环，处理 URL 地址
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
      
        this.floorList = res.message
      },
      // async getFloorList(){
      //   await uni.$http.get('/api/public/v1/home/floordata')
      //   .then(res => {
      //     res.data.message.forEach(floor => {
      //         floor.product_list.forEach(prod => {
      //           prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
      //         })
      //     })
      //     this.floorList =  this.res.data.message
      //   }).catch(err => {
      //     uni.$showMsg()
      //   })
      // },
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
    
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
.search-box{
  position: sticky;
  top: 0;
  z-index: 10;
}
</style>
